My zebus have been breeding for the pass 2 months, but find dead babies everyday . Kept some of the babies in floating fry trap with and air tube bubbling near the surface to max water flow. Feeding twice a day with tetra discus bits. Water change 20% every week

Water parameter

PH 6.7
No2 0
No3 0
Ammonia 0
Tank been set up for 3 years

Fry total 60 and still breeding , live remaining 12, new Norns and 1 month plus old fry also die on me.....

O my....!didn't know that....because I didn't see stomach bloat and didn't figure out what happen. What is tetra tabbimin? Will try to find the JBL one as well...thank you so much for your advice...,this happen to me the first time and was so depressing....